On the Moon, this character convinces Golan Trevize to accept the creation of Galaxia. On Three-Mile Island, this character is given psychic powers from his dying companion, Giskard. In another work, this character adopts the twin identities of the reporter Chetter Hummin and the scheming Eto Demerzel. This (*) creation of 
On the Moon, this character convinces Golan Trevize to accept the creation of Galaxia. On Three-Mile Island, this character is given psychic powers from his dying companion, Giskard. In another work, this character adopts the twin identities of the reporter Chetter Hummin and the scheming Eto Demerzel. This (*) creation of Dr. Fastolfe appears in The Caves of Steel and The Naked Sun alongside Detective Elijah Baley. In another series, he convinces Hari Seldon to develop the theory of psychohistory. For 10 points, name this humanoid robot, who appears in a number of works by Isaac Asimov.
On the Moon, this character convinces Golan Trevize to accept the creation of Galaxia.
{R. Daneel Olivaw} [accept either]